When doing business in China, it is important to remember that

a$)$ persons of low rank never have any influence or power in a relationship.

b$)$ one must never give in to any demands of the Chinese hosts.

C$)$ an emotional appeal to superiors will almost always be successful.

d$)$ exchanges are often uneven, working $\sqrt[\phantom{2}]{m}$ the advantage of weaker members in the relationship.